CN213575606U

CN213575606U - Butterfly valve

Info

Publication number: CN213575606U
Application number: CN202022802981.5U
Authority: CN
Inventors: 刘小娟
Original assignee: Tianjin Lvyuanqingbo Environmental Protection Equipment Co ltd
Current assignee: Tianjin Lvyuanqingbo Environmental Protection Equipment Co ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-06-29
Anticipated expiration: 2030-11-28

Abstract

The utility model provides a butterfly valve relates to butterfly valve technical field, including valve body and connecting device, the surface intercommunication of valve body has the water pipe, and the one end that water pipe and valve body are close to each other is equipped with connecting device, and connecting device is including the disc, and the inner wall of disc and the fixed surface of valve body are connected, and the fixed surface of valve body is connected with the carousel, and the surface cover of screw has protector, and protector is including four rectangular blocks, and four rectangular blocks are with the central point circumference evenly distributed of screw. The utility model discloses, the liquid diverse that flows in the butterfly valve, some liquid temperature be than higher very probably can lead to the butterfly valve to damage because of the high of temperature when flowing, and this will use the water-cooling, passes the water pipe from the inside of valve body, but the water pipe also can appear damaging when using excessively, and traditional connection method is more loaded down with trivial details to cause and dismantles inconvenient problem.

Description

Butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a butterfly valve.

Background

The butterfly valve is also called as a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member which is a disc and rotates around a valve shaft to open and close; the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The liquid diverse that flows in the butterfly valve, some liquid temperature be than higher can very probably lead to the butterfly valve to damage because of the high of temperature when flowing, this will use the water-cooling, pass the water pipe from the inside of valve body, but the water pipe also can appear damaging when using excessively, and the more loaded down with trivial details inconvenience that causes the dismantlement of traditional connection method.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a butterfly valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a butterfly valve, includes valve body and connecting device, the surface intercommunication of valve body has the water pipe, the one end that water pipe and valve body are close to each other is equipped with connecting device, connecting device is including the disc, the inner wall of disc and the outer fixed surface of valve body are connected, the equal fixedly connected with fixed block in both sides of water pipe, and two fixed blocks with the central point symmetric distribution of water pipe, the inner wall sliding connection of disc has two sliders, and slider and fixed block are on same water flat line, the inner wall sliding connection of fixed block has the slider, and the disc is with the help of slider and fixed block sliding connection, the one end fixedly connected with of fixed block is kept away from to the slider supports the piece.

Preferably, two convex blocks are fixedly connected to one end, close to the abutting block, of the disc, the two convex blocks are symmetrically distributed with the center point of the sliding block, and a spring is fixedly connected to one end, close to the abutting block, of the two convex blocks.

Preferably, the inner wall sliding connection of disc has two clamp rings, the one end fixedly connected with sealed pad that valve body and water pipe are close to each other, the surface of sealed pad and the inner wall fixed connection of two clamp rings.

Preferably, the inner wall of the disc is in threaded connection with a threaded rod, one end of the threaded rod, far away from the disc, is fixedly connected with a rotating handle, and one end of the threaded rod, far away from the rotating handle, is fixedly connected with the surface of the clamping ring.

Preferably, the fixed surface of valve body is connected with the carousel, the screw is inserted and is equipped with in the inside of carousel and valve body, the surperficial cover of screw has protector, protector is including four rectangular blocks, and four rectangular blocks with the central point circumference evenly distributed of screw, the bottom and the screw fixed connection of rectangular block, the inner wall sliding connection of rectangular block has the sliding block, the bottom fixedly connected with bracing piece of sliding block, and the bracing piece is with the help of sliding block and rectangular block sliding connection, the fixed surface of bracing piece is connected with the clamp splice, the one end fixedly connected with rubber pad that clamp splice and bracing piece are close to each other.

Preferably, one end of each clamping block, which is far away from the supporting rod, is fixedly connected with a protruding block, and one ends, which are close to the rectangular blocks, of the four rectangular blocks are fixedly connected with push posts.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, through arranging the connecting device, when the water pipe needs to be installed, firstly, the fixed block on the water pipe is aligned with the slider in the disc, after the water pipe is aligned, the water pipe is pushed to drive the fixed block to slide towards the disc, when the fixed block is contacted with the slider, the slider can slide in the disc, the slider slides to drive the abutting block to slide, the abutting block drives the spring to stretch, the spring is fixed on the lug, after the fixed block slides over the slider, the spring can drive the slider to rebound to slide the slider into the fixed block, the slider has the function of fixing the fixed block in the disc, before the water pipe is installed, the sealing gasket is firstly placed at the position between the valve body and the water pipe, the sealing gasket plays a sealing role, then, the rotating handle is rotated to drive the threaded rod to rotate, the threaded rod rotates in the disc, the rotation of threaded rod has driven the clamp ring to slide, and the clamp ring slides to sealed the pad, and the clamp ring has played the effect of fixed seal pad, has solved the water pipe and also can appear damaging but traditional connection method is more loaded down with trivial details can lead to the fact the inconvenient problem of dismantlement when using excessively.

2. In the utility model, by arranging the protective device, when the turntable is fixed on the valve body by screws, the rubber pad is firstly placed between the clamping block and the supporting rod, after the placement, the pushing post is pushed to drive the sliding block in the rectangular block to slide, the sliding block also drives the supporting rod to slide, the supporting rod drives the rubber pad in the clamping block to slide, the rubber pad plays a role in protecting the screw, when the clamping block contacts with the screw, the convex block on the clamping block can extrude the convex block, the convex block drives the clamping block to slide, the clamping block drives the supporting rod to slide, the convex block plays a role in facilitating the installation of the rubber pad, promote the sliding block when the size of rubber pad is different and let the sliding block slide in the rectangular block, the sliding block has played the effect of adjustment bracing piece position, has solved the screw and can rusty problem after long-time use.

Drawings

Fig. 1 is a schematic perspective view of a butterfly valve according to the present invention;

fig. 2 is an exploded schematic view of a connection device in a butterfly valve according to the present invention;

fig. 3 is a schematic structural view of a portion a of fig. 2 in a butterfly valve according to the present invention;

FIG. 4 is a schematic view of a portion of a butterfly valve according to the present invention;

fig. 5 is the utility model provides an explosion structure diagram of protector in butterfly valve.

Illustration of the drawings: 1. a valve body; 2. a water pipe; 3. a turntable; 4. a connecting device; 401. a disc; 402. a fixed block; 403. a slider; 404. a resisting block; 405. a bump; 406. a spring; 407. a gasket; 408. a clamping ring; 409. a threaded rod; 410. turning a handle; 5. a guard; 51. a rectangular block; 52. a slider; 53. a support bar; 54. a clamping block; 55. a rubber pad; 56. a protruding block; 57. pushing the column; 6. and (4) screws.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-5, the utility model provides a butterfly valve, including valve body 1 and connecting device 4, the surface intercommunication of valve body 1 has water pipe 2, and the one end that water pipe 2 and valve body 1 are close to each other is equipped with connecting device 4, and the fixed surface of valve body 1 is connected with carousel 3, and carousel 3 and valve body 1's inside is inserted and is equipped with screw 6, and the surface cover of screw 6 has protector 5.

The specific arrangement and function of the connecting means 4 and the shielding means 5 will be described in detail below.

As shown in fig. 1 to 3, the connecting device 4 includes a disc 401, an inner wall of the disc 401 is fixedly connected to an outer surface of the valve body 1, both sides of the water pipe 2 are fixedly connected to fixed blocks 402, the two fixed blocks 402 are symmetrically distributed about a central point of the water pipe 2, the inner wall of the disc 401 is slidably connected to two sliding blocks 403, the sliding blocks 403 and the fixed blocks 402 are on the same horizontal line, the inner wall of the fixed block 402 is slidably connected to the sliding blocks 403, the disc 401 is slidably connected to the fixed blocks 402 via the sliding blocks 403 and the fixed blocks 402, one end of the sliding blocks 403 far away from the fixed blocks 402 is fixedly connected to a resisting block 404, one end of the disc 401 near the resisting block 404 is fixedly connected to two protruding blocks 405, the two protruding blocks 405 are symmetrically distributed about the central point of the sliding blocks 403, when the water pipe 2 needs to be installed, the fixed blocks 402 on the water pipe 2 are, when the fixed block 402 contacts the sliding block 403, the sliding block 403 slides in the disc 401, the sliding block 403 slides to drive the abutting block 404, the abutting block 404 drives the spring 406 to stretch, the spring 406 is fixed on the convex block 405, after the fixed block 402 slides over the sliding block 403, the spring 406 drives the sliding block 403 to rebound to slide into the fixed block 402, the sliding block 403 plays a role in fixing the fixed block 402 in the disc 401, one end of the two convex blocks 405 close to the abutting block 404 is fixedly connected with the spring 406, the inner wall of the disc 401 is slidably connected with two clamping rings 408, one end of the valve body 1 and one end of the water pipe 2 close to each other is fixedly connected with a sealing gasket 407, before the water pipe 2 is installed, the sealing gasket 407 is firstly placed at a position between the valve body 1 and the water pipe 2, the sealing gasket 407 plays a sealing role, and the outer surface of the sealing gasket 407 is fixedly, the inner wall threaded connection of disc 401 has threaded rod 409, the one end fixedly connected with that disc 401 was kept away from to threaded rod 409 changes 410, threaded rod 409 is kept away from to change the one end of 410 and the fixed surface of clamp ring 408 and is connected, rotate again and change 410 let to change 410 and drive threaded rod 409 and rotate, threaded rod 409 rotates in disc 401, the rotation of threaded rod 409 has driven clamp ring 408 and has slided, clamp ring 408 slides to sealed pad 407, clamp ring 408 has played the effect of the fixed seal pad 407.

The whole connecting device 4 achieves the effect that when the water pipe 2 needs to be installed, the fixed block 402 on the water pipe 2 is aligned to the sliding block 403 in the disc 401, the water pipe 2 is pushed after alignment to drive the fixed block 402 to slide towards the disc 401, when the fixed block 402 contacts with the sliding block 403, the sliding block 403 can slide in the disc 401, the sliding block 403 drives the abutting block 404 to slide, the abutting block 404 drives the spring 406 to stretch, the spring 406 is fixed on the projection 405, when the fixed block 402 slides over the sliding block 403, the spring 406 can drive the sliding block 403 to rebound to slide the sliding block 403 into the fixed block 402, the sliding block 403 plays a role in fixing the fixed block 402 in the disc 401, before the water pipe 2 is installed, the sealing gasket 407 is firstly placed at a position between the valve body 1 and the water pipe 2, the sealing gasket 407 plays a sealing role, rotate again and change 410 and let to change 410 and drive threaded rod 409 and rotate, threaded rod 409 rotates in disc 401, and the rotation of threaded rod 409 has driven clamp ring 408 to slide, and clamp ring 408 slides to sealed 407, and clamp ring 408 has played the effect of fixed seal 407, has solved water pipe 2 and also can appear damaging but traditional connection method is more loaded down with trivial details can cause the inconvenient problem of dismantlement when using excessively.

As shown in fig. 4 and 5, the protection device 5 includes four rectangular blocks 51, the four rectangular blocks 51 are evenly distributed around the center of the screw 6, the bottom end of the rectangular block 51 is fixedly connected to the screw 6, the inner wall of the rectangular block 51 is slidably connected to a sliding block 52, the bottom end of the sliding block 52 is fixedly connected to a support rod 53, the support rod 53 is slidably connected to the rectangular block 51 via the sliding block 52, when the rubber pad 55 has different sizes, the sliding block 52 is pushed to slide in the rectangular block 51, the sliding block 52 plays a role of adjusting the position of the support rod 53, the surface of the support rod 53 is fixedly connected to a clamping block 54, one end of the clamping block 54 and one end of the support rod 53 close to each other is fixedly connected to a rubber pad 55, when the turntable 3 is fixed on the valve body 1 by the screw 6, the rubber pad 55 is first placed between the clamping block 54 and the support rod 53, after the placement, the pushing post 57 is pushed to drive the sliding, sliding block 52 has also driven bracing piece 53 to slide, bracing piece 53 drives the rubber pad 55 among the clamp splice 54 and slides, rubber pad 55 has played the effect of protection screw 6, the one end fixedly connected with protrusion 56 of bracing piece 53 is kept away from to clamp splice 54, the one end fixedly connected with that four rectangular blocks 51 are close to each other pushes away post 57, protrusion 56 on the clamp splice 54 can extrude protrusion 56 on the clamp splice 54 and drive clamp splice 54 and slide when clamp splice 54 contacts screw 6, clamp splice 54 drives bracing piece 53 and slides, protrusion 56 has played the effect that makes things convenient for rubber pad 55 to install.

The whole protection device 5 achieves the effect that when the turntable 3 is fixed on the valve body 1 by the screw 6, the rubber pad 55 is firstly placed between the clamping block 54 and the supporting rod 53, the push column 57 is pushed to push and drive the sliding block 52 in the rectangular block 51 to slide after the turntable is placed, the sliding block 52 also drives the supporting rod 53 to slide, the supporting rod 53 drives the rubber pad 55 in the clamping block 54 to slide, the rubber pad 55 plays a role of protecting the screw 6, when the clamping block 54 contacts the screw 6, the convex block 56 on the clamping block 54 can extrude the convex block 56 to drive the clamping block 56 to slide, the clamping block 54 drives the supporting rod 53 to slide, the convex block 56 plays a role of facilitating the installation of the rubber pad 55, when the rubber pad 55 is different in size, the sliding block 52 is pushed to slide in the rectangular block 51, and the sliding block 52 plays a role of adjusting the position of the supporting rod 53, the problem that the screw 6 can rust after being used for a long time is solved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A butterfly valve, includes valve body (1) and connecting device (4), its characterized in that: the surface of the valve body (1) is communicated with a water pipe (2), one end of the water pipe (2) close to the valve body (1) is provided with a connecting device (4), the connecting device (4) comprises a disc (401), the inner wall of the disc (401) is fixedly connected with the outer surface of the valve body (1), both sides of the water pipe (2) are fixedly connected with fixing blocks (402), the two fixing blocks (402) are symmetrically distributed by the central point of the water pipe (2), the inner wall of the disc (401) is connected with two sliding blocks (403) in a sliding way, the sliding block (403) and the fixed block (402) are on the same horizontal line, the inner wall of the fixed block (402) is connected with the sliding block (403) in a sliding way, and the disc (401) is connected with the fixed block (402) in a sliding way by the slide block (403), one end of the sliding block (403) far away from the fixed block (402) is fixedly connected with a resisting block (404).

2. A butterfly valve in accordance with claim 1, wherein: two convex blocks (405) are fixedly connected to one end, close to the abutting block (404), of the disc (401), the two convex blocks (405) are symmetrically distributed with the center point of the sliding block (403), and springs (406) are fixedly connected to one ends, close to the abutting block (404), of the two convex blocks (405).

3. A butterfly valve in accordance with claim 1, wherein: the inner wall sliding connection of disc (401) has two clamp rings (408), the one end fixedly connected with sealed pad (407) that valve body (1) and water pipe (2) are close to each other, the inner wall fixed connection of the surface of sealed pad (407) and two clamp rings (408).

4. A butterfly valve in accordance with claim 1, wherein: the inner wall threaded connection of disc (401) has threaded rod (409), the one end fixedly connected with who keeps away from disc (401) of threaded rod (409) is changeed handle (410), threaded rod (409) is kept away from to change the one end of handle (410) and the fixed surface of clamp ring (408) and is connected.

5. A butterfly valve in accordance with claim 1, wherein: the surface of the valve body (1) is fixedly connected with a turntable (3), screws (6) are inserted in the turntable (3) and the valve body (1), the surface of the screw (6) is sleeved with a protective device (5), the protective device (5) comprises four rectangular blocks (51), and the four rectangular blocks (51) are evenly distributed on the circumference of the center point of the screw (6), the bottom end of the rectangular block (51) is fixedly connected with a screw (6), the inner wall of the rectangular block (51) is connected with a sliding block (52) in a sliding way, the bottom end of the sliding block (52) is fixedly connected with a supporting rod (53), and the support bar (53) is connected with the rectangular block (51) in a sliding way by a sliding block (52), the surface of the supporting rod (53) is fixedly connected with a clamping block (54), and one end, close to each other, of the clamping block (54) and the supporting rod (53) is fixedly connected with a rubber pad (55).

6. A butterfly valve in accordance with claim 5, wherein: one end, far away from the supporting rod (53), of each clamping block (54) is fixedly connected with a protruding block (56), and one ends, close to the rectangular blocks (51), of the four rectangular blocks are fixedly connected with push columns (57).